{"id":5896,"date":"2026-04-22T09:19:25","date_gmt":"2026-04-22T09:19:25","guid":{"rendered":"http:\/\/ql-autoparts.com\/?post_type=product&#038;p=5896"},"modified":"2026-04-22T09:19:25","modified_gmt":"2026-04-22T09:19:25","slug":"wg2229240142-oil-passage-conduit","status":"publish","type":"product","link":"http:\/\/ql-autoparts.com\/ru\/product\/wg2229240142-oil-passage-conduit\/","title":{"rendered":"WG2229240142 Oil passage conduit"},"content":{"rendered":"<p data-start=\"147\" data-end=\"271\">The WG2229240142 Oil Guide Tube is a precision hydraulic oil transmission component designed for heavy-duty truck gearboxes.<\/p>\n<p data-start=\"273\" data-end=\"568\">It is responsible for accurately delivering hydraulic oil inside the transmission system, ensuring stable pressure, smooth shifting response, and reliable lubrication performance. As a key OEM-grade part, it plays a vital role in maintaining gearbox efficiency and preventing oil leakage issues.<\/p>\n<div id='gallery-1' class='gallery galleryid-5896 gallery-columns-2 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/ql-autoparts.com\/ru\/?attachment_id=5900'><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-11.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-11.webp 600w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-11-300x200.webp 300w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-11-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/ql-autoparts.com\/ru\/?attachment_id=5899'><img decoding=\"async\" width=\"600\" height=\"400\" src=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-22.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-22.webp 600w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-22-300x200.webp 300w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-22-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<h2 data-section-id=\"3shrf0\" data-start=\"575\" data-end=\"593\">Key Function<\/h2>\n<ul data-start=\"594\" data-end=\"820\">\n<li data-section-id=\"ay0z89\" data-start=\"594\" data-end=\"657\">Precisely delivers hydraulic oil within transmission system<\/li>\n<li data-section-id=\"1p3hokx\" data-start=\"658\" data-end=\"720\">Maintains stable hydraulic pressure for shifting operation<\/li>\n<li data-section-id=\"1otdmpv\" data-start=\"721\" data-end=\"777\">Ensures continuous lubrication of gearbox components<\/li>\n<li data-section-id=\"3o81le\" data-start=\"778\" data-end=\"820\">Prevents oil leakage and pressure loss<\/li>\n<\/ul>\n<h2 data-section-id=\"p6k24r\" data-start=\"827\" data-end=\"851\">Product Advantages<\/h2>\n<h3 data-section-id=\"1vrr1e2\" data-start=\"853\" data-end=\"900\">\u25cf High-Strength Seamless Steel Construction<\/h3>\n<p data-start=\"901\" data-end=\"991\">Manufactured from <strong data-start=\"919\" data-end=\"967\">20Cr \/ 45# high-strength seamless steel tube<\/strong>, the oil pipe features:<\/p>\n<ul data-start=\"992\" data-end=\"1101\">\n<li data-section-id=\"1r1lcku\" data-start=\"992\" data-end=\"1022\">Tensile strength \u2265 600 MPa<\/li>\n<li data-section-id=\"13ncipd\" data-start=\"1023\" data-end=\"1055\">Pressure resistance \u2265 35 MPa<\/li>\n<li data-section-id=\"59di7o\" data-start=\"1056\" data-end=\"1101\">Excellent impact and vibration resistance<\/li>\n<\/ul>\n<p data-start=\"1103\" data-end=\"1193\">It is designed to withstand high-pressure hydraulic shock without cracking or deformation.<\/p>\n<h3 data-section-id=\"1vpv1yy\" data-start=\"1200\" data-end=\"1237\">\u25cf Excellent Heat &amp; Oil Resistance<\/h3>\n<p data-start=\"1238\" data-end=\"1318\">The inner wall is treated with <strong data-start=\"1269\" data-end=\"1306\">phosphating + passivation coating<\/strong>, providing:<\/p>\n<ul data-start=\"1319\" data-end=\"1472\">\n<li data-section-id=\"11fvrs4\" data-start=\"1319\" data-end=\"1367\">Strong resistance to hydraulic oil corrosion<\/li>\n<li data-section-id=\"6illku\" data-start=\"1368\" data-end=\"1422\">Stable performance at 80\u2013120\u00b0C working temperature<\/li>\n<li data-section-id=\"176a5cf\" data-start=\"1423\" data-end=\"1472\">Long-term anti-aging and anti-rust protection<\/li>\n<\/ul>\n<p data-start=\"1474\" data-end=\"1531\">It ensures durability in harsh transmission environments.<\/p>\n<h3 data-section-id=\"10rlqja\" data-start=\"1538\" data-end=\"1568\">\u25cf Precision Sealing Design<\/h3>\n<p data-start=\"1569\" data-end=\"1646\">Both ends are equipped with <strong data-start=\"1597\" data-end=\"1645\">precision trapezoidal threads (6H tolerance)<\/strong>:<\/p>\n<ul data-start=\"1647\" data-end=\"1802\">\n<li data-section-id=\"1esfhsn\" data-start=\"1647\" data-end=\"1687\">Perfect fit with OEM sealing washers<\/li>\n<li data-section-id=\"10dpx4s\" data-start=\"1688\" data-end=\"1742\">Strong anti-loosening and anti-leakage performance<\/li>\n<li data-section-id=\"kcoq82\" data-start=\"1743\" data-end=\"1802\">Dual sealing structure with copper gasket compatibility<\/li>\n<\/ul>\n<p data-start=\"1804\" data-end=\"1860\">This effectively eliminates hydraulic oil leakage risks.<\/p>\n<h3 data-section-id=\"10ag1x9\" data-start=\"1867\" data-end=\"1901\">\u25cf Smooth Internal Flow Channel<\/h3>\n<p data-start=\"1902\" data-end=\"1953\">The inner surface is highly polished and burr-free:<\/p>\n<ul data-start=\"1954\" data-end=\"2071\">\n<li data-section-id=\"10lgjsl\" data-start=\"1954\" data-end=\"1991\">No flow restriction or bottleneck<\/li>\n<li data-section-id=\"vzjyg6\" data-start=\"1992\" data-end=\"2025\">Stable hydraulic oil delivery<\/li>\n<li data-section-id=\"1v91ugi\" data-start=\"2026\" data-end=\"2071\">Improved pressure transmission efficiency<\/li>\n<\/ul>\n<p data-start=\"2073\" data-end=\"2122\">This ensures fast and accurate shifting response.<\/p>\n<h3 data-section-id=\"1w5v0gf\" data-start=\"2129\" data-end=\"2163\">\u25cf Reinforced Structural Design<\/h3>\n<p data-start=\"2164\" data-end=\"2246\">The pipe body features a <strong data-start=\"2189\" data-end=\"2245\">thickened reinforced structure (\u22653mm wall thickness)<\/strong>:<\/p>\n<ul data-start=\"2247\" data-end=\"2386\">\n<li data-section-id=\"10mqcrc\" data-start=\"2247\" data-end=\"2289\">Strong vibration absorption capability<\/li>\n<li data-section-id=\"1ljutad\" data-start=\"2290\" data-end=\"2333\">Anti-resonance and anti-cracking design<\/li>\n<li data-section-id=\"5rf9z8\" data-start=\"2334\" data-end=\"2386\">Extended service life under continuous operation<\/li>\n<\/ul>\n<p data-start=\"2388\" data-end=\"2456\">It is suitable for heavy-duty and high-frequency working conditions.<\/p>\n<h3 data-section-id=\"rncuuj\" data-start=\"2463\" data-end=\"2495\">\u25cf OEM-Style Accurate Fitment<\/h3>\n<p data-start=\"2496\" data-end=\"2542\">Designed with precise bending and positioning:<\/p>\n<ul data-start=\"2543\" data-end=\"2674\">\n<li data-section-id=\"1lzqkmq\" data-start=\"2543\" data-end=\"2589\">Fully matches gearbox internal oil routing<\/li>\n<li data-section-id=\"17cffji\" data-start=\"2590\" data-end=\"2629\">No interference during installation<\/li>\n<li data-section-id=\"6n1p80\" data-start=\"2630\" data-end=\"2674\">Stable and reliable assembly performance<\/li>\n<\/ul>\n<h2 data-section-id=\"a153ij\" data-start=\"2681\" data-end=\"2705\">Technical Features<\/h2>\n<ul data-start=\"2706\" data-end=\"3030\">\n<li data-section-id=\"o13g1l\" data-start=\"2706\" data-end=\"2750\">Material: 20Cr \/ 45# seamless steel tube<\/li>\n<li data-section-id=\"60wtkq\" data-start=\"2751\" data-end=\"2792\">Heat treatment: Quenching + tempering<\/li>\n<li data-section-id=\"q1cnh\" data-start=\"2793\" data-end=\"2851\">Surface treatment: Phosphating + passivation anti-rust<\/li>\n<li data-section-id=\"kks43v\" data-start=\"2852\" data-end=\"2884\">Pressure resistance: \u226535 MPa<\/li>\n<li data-section-id=\"xnrwxr\" data-start=\"2885\" data-end=\"2928\">Wall thickness: \u22653 mm reinforced design<\/li>\n<li data-section-id=\"1q8343q\" data-start=\"2929\" data-end=\"2981\">Thread standard: 6H precision trapezoidal thread<\/li>\n<li data-section-id=\"1xjq4b0\" data-start=\"2982\" data-end=\"3030\">High internal surface finish for smooth flow<\/li>\n<\/ul>\n<h2 data-section-id=\"ovzyni\" data-start=\"3037\" data-end=\"3060\">Application Scope<\/h2>\n<ul data-start=\"3061\" data-end=\"3252\">\n<li data-section-id=\"xtmw1w\" data-start=\"3061\" data-end=\"3095\">Heavy-duty truck transmissions<\/li>\n<li data-section-id=\"1n4wjaz\" data-start=\"3096\" data-end=\"3134\">Hydraulic oil distribution systems<\/li>\n<li data-section-id=\"w9zy2s\" data-start=\"3135\" data-end=\"3166\">Gearbox lubrication systems<\/li>\n<li data-section-id=\"1fpsoo\" data-start=\"3167\" data-end=\"3207\">Commercial vehicle driveline systems<\/li>\n<li data-section-id=\"q5vdt0\" data-start=\"3208\" data-end=\"3252\">OEM assembly and aftermarket replacement<\/li>\n<\/ul>\n<h2 data-section-id=\"lgpldt\" data-start=\"3259\" data-end=\"3285\">Performance Benefits<\/h2>\n<ul data-start=\"3286\" data-end=\"3504\">\n<li data-section-id=\"2n1ioz\" data-start=\"3286\" data-end=\"3328\">Stable hydraulic oil pressure delivery<\/li>\n<li data-section-id=\"fvq0g3\" data-start=\"3329\" data-end=\"3372\">Improved shifting response and accuracy<\/li>\n<li data-section-id=\"l90xdf\" data-start=\"3373\" data-end=\"3408\">Eliminates oil leakage problems<\/li>\n<li data-section-id=\"yicdx8\" data-start=\"3409\" data-end=\"3452\">Enhances gearbox lubrication efficiency<\/li>\n<li data-section-id=\"1rrswcl\" data-start=\"3453\" data-end=\"3504\">Extends service life of transmission components<\/li>\n<\/ul>\n<h2 data-section-id=\"15pa784\" data-start=\"3511\" data-end=\"3533\">Supply &amp; Service<\/h2>\n<ul data-start=\"3534\" data-end=\"3683\">\n<li data-section-id=\"kxp44\" data-start=\"3534\" data-end=\"3567\">Ready stock for fast delivery<\/li>\n<li data-section-id=\"1w9bs8s\" data-start=\"3568\" data-end=\"3599\">OEM customization supported<\/li>\n<li data-section-id=\"1ovecuh\" data-start=\"3600\" data-end=\"3639\">Stable quality for long-term supply<\/li>\n<li data-section-id=\"1v43j48\" data-start=\"3640\" data-end=\"3683\">Professional technical support provided<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The WG2229240142 oil passage conduit is used for the precise delivery of hydraulic oil inside the transmission. It features high-pressure sealing to prevent leakage, oil resistance, anti-aging properties, and original factory precision fit, making it a key component ensuring reliable hydraulic shifting and lubrication in the transmission. Made of 20Cr\/45# high-strength seamless steel pipe, it undergoes quenching and tempering heat treatment, achieving a tensile strength \u2265600MPa and a pressure resistance \u226535MPa, resisting the high-pressure hydraulic impact of the transmission without bursting or deforming. The inner wall undergoes phosphate and passivation treatment to form a dense, oil-resistant layer, compatible with high-temperature hydraulic oil in transmissions (80-120\u2103), and is oil-resistant, corrosion-resistant, and aging-resistant, preventing rust and peeling even after long-term use.<\/p>","protected":false},"featured_media":5899,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"WG2229240142 Transmission Oil Pipe | Truck Gearbox Hydraulic Oil Guide Tube","_seopress_titles_desc":"WG2229240142 oil guide tube is a key hydraulic oil delivery component for heavy-duty truck transmissions. Made of seamless steel with heat treatment and anti-corrosion coating, it ensures stable oil pressure, leak-free performance, and reliable gearbox operation under high load conditions.","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[133],"product_tag":[],"class_list":{"0":"post-5896","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-wg2229240142-oil-passage-conduit","7":"desktop-align-center","8":"tablet-align-left","9":"mobile-align-left","10":"ast-product-gallery-layout-horizontal-slider","11":"ast-product-tabs-layout-horizontal","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product\/5896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/media\/5899"}],"wp:attachment":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/media?parent=5896"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product_brand?post=5896"},{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product_cat?post=5896"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product_tag?post=5896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}